# ISO 21843:2018 — Withdrawn and superseded ISO standards

For ISO 21843:2018, item title is Determination of the resistance to hydrocarbon pool fires of fire protection materials and systems for pressure vessels; status code is 9599; successor is ISO 21843:2023; withdrawn / published date is 2018-10-02, recorded from its source on 2026-08-05.

- **Identifier:** ISO 21843:2018 _(verified: appears in the quote below)_
- **Item title:** Determination of the resistance to hydrocarbon pool fires of fire protection materials and systems for pressure vessels _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 21843:2023
- **Withdrawn / published date:** 2018-10-02 _(verified: appears in the quote below)_

## What the source says

> 71959,IS,,ISO 21843:2018,Determination of the resistance to hydrocarbon pool fires of fire protection materials and systems for pressure vessels,Détermination de la résistance aux feux de nappe d'hydrocarbure des matériaux et systèmes de protection incendie des récipients sous pression,2018-10-02,1,['13.220.50'],ISO/TC 92/SC 2,9599,,[84562],['en'],36,<p>This document specifies a test method for determining the fire resistance of pressure vessels with a fire protection system when subjected to standard fire exposure conditions. It does not address vessels cooled by water deluge or water monitor. The test data thus obtained permits subsequent classification on the basis of the duration for whi

## Source

- https://isopublicstorageprod.blob.core.windows.net/opendata/_latest/iso_deliverables_metadata/csv/iso_deliverables_metadata.csv

Last verified: 2026-08-05. Review by: 2027-02-01.
Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).